Updated README.md

.gitignore

+# assets/cacert.pem
\ No newline at end of file

README.md

@@ -17,6 +17,13 @@ python3 main.py
 The list of the university URLs [can be 
 found here.](https://gitlab.fachschaften.org/robinst/university_analysis/-/blob/main/assets/university_main_pages.json?ref_type=heads)
 
+In an older version the ssl certificates got 
+checked without an api. This method contained some 
+bugs, so the api is used now. When you want to 
+still recode the code base to use the old code snippet, 
+you might need [the certificate .pam list](http://curl.haxx.se/ca/cacert.pem). 
+Please place it in the assets directory named ```cacert.pem```.
+
 
 ## Abstract of the research subject